Perhaps you should try some spelling variations:
hieu nganh » vien nganh, hiem ngan, nghiep nganh
thien danh » thien anh, thien dang, thien thanh
hieu manh » chieu xanh, dieu hanh, hien hanh
tranh cua » doanh cua, manh cua
dung cong » dung trong
cua dung » cua dang, cua dong, qua dung
cong san » cong tac
san phan » san pham, van phan, sat phan
phan cau » phan dau, phan cac, phan tu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thien danh) or (((hieu manh) OR (hieu nganh)))) - canh tranh cua dung cong san phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thien danh) OR (((hieu manh) OR (hieu nganh)))) - canh tranh cua dung cong san phan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thien danh) or (((hieu manh) OR (hieu nganh)))) - canh tranh cua dung cong san phan cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((thien danh) or (((hieu manh) OR (hieu nganh)))) - canh tranh cua dung cong san phan cau*.